package serversidepkg;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */


import backendpkg.DataSource;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.sql.*;
import javax.servlet.RequestDispatcher;

/**
 *
 * @author smag
 */
public class RegisterServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {

        //Get connection to DB
        DataSource datasource = new DataSource();
        Connection conn = datasource.getConnection();

        //Prepare insert action
        PreparedStatement statement;
        String insert = "INSERT INTO User(username,password,email,last_online) VALUES (?, ?, ?,NULL)";

        String username = request.getParameter("username");
        String password = request.getParameter("password");
        String email = request.getParameter("email");

        try{
            statement = conn.prepareStatement(insert);
            statement.setString(1, username);
            statement.setString(2, password);
            statement.setString(3, email);
            statement.executeUpdate();
            request.setAttribute("Reg", "Registrazione effettuata!");
            conn.close();
        } catch(SQLException ex) {
        	request.setAttribute("Reg", "Impossibile registrarsi");
            ex.printStackTrace();
        }
        //Redirect to first page
        RequestDispatcher reqdisp;
        reqdisp = request.getRequestDispatcher("/login.jsp");
        reqdisp.forward(request, response);
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}